Most enzymes are made up of proteins and therefore may be inactivated by A. changes in temperature B. changes in pH C. salt concentration D. all of the above

Q: Which of the following is MOST likely the reason why prions are infective? A. Prions are small…

A: Prions are a specific type of protein that triggers normal proteins in the brain to fold abnormally.

Q: In the human body, Escherichia coli (a normally harmless bacterium) can be found in the: a. mouth b.…

A: Escherichia coli is a gram-negative bacteria. The organisms that are found on or inside the body of…

Q: Some orally active drugs do not obey the rule of five. For example, some polar drugs with a…

A: Alternative absorption pathways are investigated in response to oral active medications that violate…

Q: Which of the following will saturate as solute concentration increases?   a. Transport of sucrose…

A: Saturation kinetics describes the situation in which an enzyme reaction achieves its maximum…

Q: Ampicillin How did this new development impact society?

A: Antibiotics Antibiotics are the chemical compounds or substances that are effective against a group…

Q: Receptors located within the cell are mostly  A. Protein  B. Glucoprotein C. Glucose D. Chitin D.…

A: Cell is the fundamental unit of life. Cells communicate with each other by a process known as cell…

Q: Which of the following serves as an important energy carrier in cells?   A. RNA   B. DNA   C. ATP

A: Cell is the basic structural, functional, and biological unit of all known organisms. The cell…

Q: he act of cooking a steak on a barbeque grill heats the meat to a high enough temperature to:  a.…

A: high heat provided in barbeque adds some color to the outside of a steak and is more than enough to…

Q: Many secretory proteins are synthesized as inactive precursors called  a. proproteins b.…

A: Secretory protein precursors, also known as proproteins or preproteins, are synthesized in cells as…

Q: What is the function of each of the following?a. glycocorticoidb. ketone bodiesc.…

A: The human body is a complex and well coordinated assembly of organ systems and tissues. All of these…

Q: Which among the several mechanism below applies to the enzyme phenylalanine hydroxylase? A.…

A: B. Activation by phenylalaninePhenylalanine hydroxylase is activated by its substrate,…

Q: The process that occurs in the mitochondria is A. anaerobic B. anabolism C. aerobic D.…

A: Introduction The mitochondrion is a double membrane-bound organelle found in most…

Q: The correct enzyme involved in synthesizing atp from adp is: a. Kinase  b. Protease  c.…

A: The production of ATP is very much important in case of a living organism. This ATP provides…

Q: Canavanine is an example of __________ and cocaine is an example of _______. a. an alkaloid,…

A: Metabolism or metabolic process is the series of chemical processes occurring in a living cell.…

Q: All of the following are mechanisms for regulating enzyme activity in the cell, except: a. Rate of…

A: Enzymes are biological catalysts that drive cellular reaction and are usually protein on nature.…

Q: Mark the cells functions in the smooth ER (Choose one or more)

A: Smooth Endoplasmic Reticulum or SER is an integral part of the cell and takes part in many important…

Q: Which of the following compounds prevent cellular damage by reactive oxygen species? Select one: a.…

A: Cellular damage refers to harmful changes that occur within cells, affecting their structure,…

Q: Which of the following nutrient biomolecules can be oxidized in biochemical pathways of cellular…

A: The ingested food comprises complex forms of nutrients which are broken down into the simplest forms…

Q: choose one:   a. Steroids are hormones processed by their target cells at the plasma membrane b.…

A: The chemical messengers that are synthesized in one tissue and passed to one or other tissues…

Q: Which of the following is true about how enzymes work in the cell? A. Enzymes are consumed in the…

A: Proteins that catalyze biological reactions are known as enzymes. They catalyze several body…

Q: The urea cycle does which of the following? A. It generates molecules which can enter the common…

A: The urea cycle is a biochemical pathway that occurs in the liver and helps to eliminate excess…

Q: Define the following terms: a. proteostasis network b. molecular chaperones c. heat shock response…

A: As per the honor code, we answer only three subparts at a time. Therefore we are answering the first…

Q: Transepithelial transport of glucose by the enterocyte utilizes which of the following sequences of…

A: Option D: First secondary active transport, then facilitated diffusion .

Q: What ion is found in high concentration inside the cell relative to outside of the cell?   A.…

A: A cell can be defined as the smallest unit of the living organisms which formed the groups to…

Q: Which of these substrate/enzyme pairs is correct? a. Lactose/cellulase b. Lipids/lipase c.…

A: The science of chemical reactions that take place within and relate to live beings is known as…

Q: Cyanide

A: Cyanide:It is a highly toxic compound which can interfere with respiration at cellular level,…

Q: Define the following terms: a. genetic control b. proenzyme c. zymogen d. positive cooperativity e.…

A: Since there are multiple questions, we are answering the first three for you. If you require the…

Q: All of the following are mechanisms for regulating enzyme activity in the cell, except: a. Rate of…

A: Enzymes catalyses a reaction, they remain unchanged after the completion of reaction. They just…

Q: Shivering to keep the body warm is an example ofa. anabolism.b. catabolism.c. metabolism.d.…

A: Shivering is the physiological phenomenon in which the body's skeletal muscles produce heat at cold…

Q: Why is it important that glucose be converted to glucose-6-phosphate once glucose enters a cell?…

A: The question is asking why glucose is converted to glucose-6-phosphate once it enters a cell. The…

Q: Amino acids that potentially can participate in acid-base catalysis in an enzyme active site, by…

A: Proteins are made up of amino acid. Amino acids contain both an amino group and a carboxyl group.…

Q: Extra non-protein units that help enzymes are called a. cofactors b. helper cells c. companion cells…

A: Enzymes are biocatalyst that increases the speed of reaction by lowering the activation…

Q: The primary function of mitochondria is A. protein breakdown B. fat synthesis C. release of hormones…

A: Mitochondria are energy-converting organelles and therefore, also known as the power house of the…

Q: Urea is a by-product of a. glucose c. fat b. salt d. amino acid metabolism.

A: Urea is the most common nitrogenous waste excreted by mammals as a result of protein digestion in…

Q: You are studying Protein X, which is a tetramer whose function is to bind glucose. You have found a…

A: In biochemistry, allosteric regulation (or allosteric control) is the binding of an effector…

Q: You are working in a lab and discover an animal with a mutation that does not allow it to develop…

A: Fat, also called the adipose tissue, is a loose connective tissue that is responsible for storage of…

Q: antibiotics like teracyclines that inhibit protein synthesis would target what cellular process? a.…

A:

Q: In the regulation of enzymes, which of the following represents a regulation process in which…

A: Enzymes are proteinaceous molecules that help in the catalysis of biochemical reactions. Most of the…

Q: the strength of a ligand-protein binding is known as the binding sites a. conformation b.…

A: Protein ligand binding is a non-covalent binding between protein and ligand. This binding is…

Q: Which of the following is incorrect about chymotrypsin, trypsin, and elastase? a. They catalyze the…

A: Introduction:  Chymotrypsin is a digestive enzyme present in our bodies which is secreted by the…

Q: Which one of the following is the major antioxidant on cell membrane? A. SOD B. Selenium C. Vitamin…

A: Antioxidants are important in removing oxygen radicles from the body. They help avoid cell damage…

Q: The proteins : oxidase ,kinase,lipase, isomerase are all known to function as  a. channels b.…

A: Proteins are biomolecules made up of one or more amino acids joined together by peptide bonds.…